Remove pre-production warnings

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 7daba37..63649f4 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -2862,10 +2862,6 @@
 /**
  * \def MBEDTLS_PKCS7_C
  *
- * This feature is a work in progress and not ready for production. Testing and
- * validation is incomplete, and handling of malformed inputs may not be robust.
- * The API may change.
- *
  * Enable PKCS7 core for using PKCS7 formatted signatures.
  * RFC Link - https://tools.ietf.org/html/rfc2315
  *
@@ -2877,7 +2873,7 @@
  *
  * This module is required for the PKCS7 parsing modules.
  */
-//#define MBEDTLS_PKCS7_C
+#define MBEDTLS_PKCS7_C
 
 /**
  * \def MBEDTLS_PKCS12_C